Abaculus
镶嵌用的小石[玻璃]砖, 嵌块
🗣️ 情景例句
It's not good to eat before going to bed.
在上床前吃太多不好。
Tears are the silent language of grief.
眼泪是悲哀的无声言辞。
If we could actually see the path described by a particle,such as a sand grain in the rock,
假如我们真能看到的运动轨迹，诸如岩石中一个沙粒分子